A ROOF FALL WAS DISCOVERED WHILE TRAVELING THE AIRWAYS ON 03/20/2003. THE FALL WAS FURTHER INVESTIGATED ON 03/21/03. LOCATED ONE CROSSCUT INBY SURVEY STATION 1263 IN ONE OF THE INTAKE AIRWAYS, #6 ENTRY, APPROXIMATELY 30'W X 30'L X 6'H. NO EQUIPMENT WAS INVOLVED, DANGERED OFF AND WILL NOT BE CLEANED UP.